Caption: A field of poppies (Papaver rhoeas). This field has been left fallow by the farmer, as EC subsidies force him not to over-produce. Poppies will grow quickly when undisturbed, their seeds may lie dormant in soil for up to 30 years. Soil such as this may contain about 10 million poppy seeds per acre. The poppies are accompanied by many varieties of other wild plants.